Serara, a young female member of the guild "Crescent Moon Alliance", is trapped by mysterious men in the northern city of Susukino and needs help.  Shiroe and his friends travel to reach her.  Annoyed by the game's tasteless food, they travel northwards, and go inside "the depths of Palm", a crumbling series of old mining tunnels.  There they meet creepy monsters...
Then amplify the attack power 
of your allies' weapons.
Dann verstärke ich die Angriffskraft
der Waffen meiner Verbündeten.
Después amplifica el poder de 
ataque de las armas de tus aliados.
Ensuite,
augmenter la force des alliés !
Poi amplifico il potere d'attacco 
delle armi della mia squadra.
Em seguida, amplia o poder de
 ataque nas armas de seus aliados.
А затем… повысим урон
оружия союзников.